package com.zc.study.thread.多线程第三章节.thread3_1_10;

public class Test {
    public static void main(String[] args) {
        String ss = new String();
        Add  aa = new Add(ss);
        Substract thread1 = new Substract(ss);
        Substract thread2 = new Substract(ss);
        aa.start();
        thread1.start();
        thread2.start();


    }
}
